🎶 Elevate Your Acoustic Game with Every Strum! Small yet mighty—ideal for portable setups and on-the-go musicians. Simple leads make installation a breeze for any DIY project. Transform your acoustic instruments into sonic powerhouses. Experience rich, clear sound with a frequency response that impresses. Perfect for guitars, drums, and more—your creativity knows no bounds. 100mm leads 20mm diameter 5.6 kHz resonance This set of 15 high-quality 20mm piezo discs is designed for acoustic instrument pickups, stomp boxes, and contact microphones. With a brass outer diameter and 100mm leads, these discs deliver a resonant frequency of 5.6 kHz, making them perfect for enhancing the sound of guitars, CBGs, and drums.